transmission site in Ireland, and was one of the original five main Telefís Éireann television transmitters when it opened on low power in December 1962. It became fully operational on 12 June 1963 with a 625-line service on VHF Band III Channel F. The RTÉ Radio FM service was added in 1966, and RTÉ's second television channel RTÉ 2 was carried on VHF when it started in 1978. UHF television transmissions from Mount Leinster began in 1996 with the introduction of Teilifís na Gaeilge, now known as TG4. The original 1962 mast was replaced in 2010 with a taller one of in preparation for digital television transmissions. In common with all the other 2RN sites, analogue television transmissions from Mount Leinster ceased on 24 October 2012. Today the site provides the Irish digital television service Saorview, and eight FM radio stations to a large area of South East Ireland. Current transmissions Digital television FM radio Relay Relay transmitters that rebroadcast digital television from Mount Leinster: See also Lists of mountains in Ireland List of Irish counties by highest point List of mountains of the British Isles by height List of P600 mountains in the British Isles List of Marilyns in the British Isles List of Hewitt mountains in England, Wales and Ireland References Leinster Leinster Leinster Leinster Transmitter sites in Ireland Highest points of Irish counties Leinster